-1.5x+1-x^2+7x=10

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Solution for -1.5x+1-x^2+7x=10 equation:


Simplifying
-1.5x + 1 + -1x2 + 7x = 10

Reorder the terms:
1 + -1.5x + 7x + -1x2 = 10

Combine like terms: -1.5x + 7x = 5.5x
1 + 5.5x + -1x2 = 10

Solving
1 + 5.5x + -1x2 = 10

Solving for variable 'x'.

Reorder the terms:
1 + -10 + 5.5x + -1x2 = 10 + -10

Combine like terms: 1 + -10 = -9
-9 + 5.5x + -1x2 = 10 + -10

Combine like terms: 10 + -10 = 0
-9 + 5.5x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
9 + -5.5x + x2 = 0

Move the constant term to the right:

Add '-9' to each side of the equation.
9 + -5.5x + -9 + x2 = 0 + -9

Reorder the terms:
9 + -9 + -5.5x + x2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -5.5x + x2 = 0 + -9
-5.5x + x2 = 0 + -9

Combine like terms: 0 + -9 = -9
-5.5x + x2 = -9

The x term is -5.5x.  Take half its coefficient (-2.75).
Square it (7.5625) and add it to both sides.

Add '7.5625' to each side of the equation.
-5.5x + 7.5625 + x2 = -9 + 7.5625

Reorder the terms:
7.5625 + -5.5x + x2 = -9 + 7.5625

Combine like terms: -9 + 7.5625 = -1.4375
7.5625 + -5.5x + x2 = -1.4375

Factor a perfect square on the left side:
(x + -2.75)(x + -2.75) = -1.4375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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